What can Lithium Power? - ELECTRICAL BOAT TECH (6 of 7) - Sailing Vessel Delos
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- Опубликовано: 4 фев 2025
- I go over some of the major differences between 24V and 12V systems and talk about what it is realistic to power off of Lithium batteries and a large inverter onboard. We also talk about lot's of FAQ's that are listed below:
Why do people care about watts?
What fridges and freezers can you run off solar and wind?
How much does Air conditioning draw, and can we run it off our solar?
Do we power our laptops with a DC to DC converter or via the inverter?
Is it possible to maintain a 48V battery bank?
Is a 24V DC system practical?
What are the benefits of a 24VDC system?
Solar arch- Why don’t we have our dinghy on davits off the solar arch?
What is the make and model of our inverter?
Could we incorporate water collection into our solar panels.
Is there a difference in the taste of desalinated water?
Have we ever had issued with the solar panels in high wind?
Are the lithium batteries physically the same size as lead batteries?
What about safety with Lithium batteries?
For more details on the gear used for our electrical upgrades please visit:
svdelos.com/li...
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Make this series a separate playlist! Might be good for reference.
Nice one again. Good explanations.
We are just beginning our sailing journey and these videos are so helpful to understand the inner workings of the boat and while electricity needs to be respected, I feel less scared about it and getting to know this aspect of the boat! Thanks Brian!
These boat bits are great and a good addition to your regular videos. Would like more on Anchors, Radar, water makers, sail types heavy wind and sea sailing, etc. it is great for a landlubber to live through your adventures. Can't wait until you join back up with Brian and family. Norm
You are on the right track,Brian, good job again.👍😊😎
In your spare time, you should write a book. Love these videos. Thank you Brian.
Thanks for great sailing stories and now the Victron safari. We are now sailing the Caribbean from Norway and trouble shooting solar charging / AGM batterys. Lithium sounds like the way to go !!!
Thor & Vib
Excellent!! I'm an Electrical Engineer and Brian is right on with his discussions and explanations! well done and VERY informative! Thanks!
Brian is an EE as well. I sure hope he's right ;) .
@@operator0I didn't know he's an EE, but that explains his very thorough knowledge and his practical problem solving...I believe he's right...I love watching SV Delos!
Isn't Brian a reformed code monkey?
@@danielbuckner2167 He has a degree in electrical engineering, but he spent most of his working life writing code. I don't think he was a controls engineer, but I could be wrong.
Forty years as a marine electrician and even I can appreciate the simplicity of Brian's explanations.
As for Brian coding, I can believe it. One of my friends got a master's degree in EE and for the past 20 or so years has been writing and debugging the code that makes modern fighter jets user friendly for the pilots.
Thankyou so much for sharing this series, it has been so helpful for my husband and I with this wealth of knowledge and insight that you are sharing, it's helping us make more informed decisions. Fair winds from Wisconsin 👍🍻⚓🙋♀️
Very informative, particularly as regards how not to ruin the batteries.. Cheers guys, more like this is always welcome.
Regarding DC outlets as I am writing this in Sep 2021 and with the level of popularity of USB-C with PD I’d say there should be some providers already delivering that for the boat industry. And maybe applying the Paretto rule: just install those that would cover 80% of the use cases and you would be saving power really quickly. Loved the video Brian, thank you!
It is amazing how much data Brian has stored in that brain of his....thank you all!!!
I like your clear, concise answers Brian. Also the way you adopt the KISS principle, Keep It Simple Stupid! Nice.
These are great tips. Some times people don't explain why they did some thing. You explain the reason behind the decision. That's a great help.
It's so good to listen to ten years experience of off grid knowledge. I'm just now comfortable exploring lithium batteries, and yes I've been off grid on my yacht for 13 or 14 years with led acid, wind solar and alternator... So, greatful for the heads up from a wizz like you Brian... Thank you... Colin...
Yes, this is very valuable information. Perhaps not the most entertaining of content, but its still important to know if you have a boat, RV or a cabin off the grid.
I'm planning out a full systems refit of an Amel 54, this was incredibly helpful. Thanks Lads.
Nice. I got Victron LiFePO4 batteries, inverter/charger and bits and pieces after your original vid on the subject. Awesome set up, love it
Right track, left track, middle track, you are tracking all over my laptop. I love these videos, Good meat for the mind. Thanks guys,
How special are we to have two vids of Brian/s Tech within six hours of each other...Damn lucky I say !! Damn lucky !!.....Keep it up, I ain't done learnin yet...
Thanks for the info on the fridge freezer ? I don't have a boat, but rather a 57 Crown bus, and this info is very helpful. Currently in restoration mode to RV.
It’s funny to hear your comments on wiring around the boat. I don’t have an inverter on board, but ended up putting The higher amperage USB ports all over. USB C should be able to charge an Apple laptop. Probably not worth rewriting, but is awesome since I don’t have AC.
Your video made a lot of sense to me & I do house wiring myself. You had good questions from viewers also.
Brian has to be the most likable person ever
These are great Brian - as someone who's into sailing and electrics these video are a great bonus which are nicely in depth!
I'm going to be sad when video 7 of 7 shows up because I am really enjoying this technical series. You guys make awesome videos.
For standard auto size wiring I like the Thomas & Betts WT-2000. They cut, strip, and crimp, plus they'll also sheer small machine screws.
I have been considering going to lithium batteries for a while now. Of all of the drop in batteries, Battle Born keeps coming to the top of the list. Good quality, good price (not the cheapest nor the most expensive), have built in BMS with both high temp and low temp cut offs, BUT most of all, they have a 10 yr warranty. Every other battery has only 1 yr or at most 1.5 yrs. Many drop in battery replacements don’t have the same features like low temp cut out for charging. Charging below 0C will kill a lithium battery. The fact that Delos is pleased with the performance of the Battle Borns is the final linch pin to going with these.
Thanks Delos...I was much relieved to see my electrical box is looking pretty similar to Brian's. I suppose I'll have to look into a pair of those crimpers...
Its all about the POWER! Long live ohms law! Great tech talk Brian. Thanks!
Ohm....not just a good idea, It's the Law...:)
Awesome video as always. Thank you for answering the question about running laptops on DC. Always thought it would be more efficient but never was able to confirm. Keep up the great work.
Great video series. You guys make the world a smarter and better place.
Great insight on lithium batteries. Kinda though about making the transition and this video gives a lot of insight about doing so!
I'm glad you are making these videos as they are answering questions I didn't even know to ask or think about. Please keep up the good work.
If you want to run laptops directly off DC, you will need to use a 24V source. Most laptop PSUs put out 17 to 19 volts. If you do that you should find good quality regulated output units. There are units meant to run a laptop off a car, but they have to step the voltage up so they may not be more efficient. I've found that my 13" MacBook charger always runs hotter than my 17" Sony Vaio. Probably because the Sony unit is twice as big as the Mac! They packing density is less. Nice video guys. This series is a pretty comprehensive look at good practice.
PS Sailing Uma crossed the Atlantic in about 14 days, with nothing but solar, and I don't thing they ever got down to 50% on their Lithium batteries. That seems to be the general outcome from people who have a good installation.
im a second year electrician, i like your apple to apple analogy
Enjoy learning about how you have successfully moved to a very modern and renewable power solution. Great video.
Loving the series , and looking forward to the next technical or how-to series. I do hope you will consider doing these tech topics and how to videos far more often.
Brian... tech vids are awesome. There’s enough of sailing videos to get my fill.
Always interesting.
Brian, I am sure you have heard of these, but when outfitting my van I used a good bit of 6ga wire and some 2ga and 4/0 for the battery itself. With regards to crimping, I used a hammer crimp. It has a bit of weight to it, but not very big and I used a standard hammer. Just in case you need to crimp and are not near a store that will do it for you.
In school they taught us that the electricity travels on the outside of the metal wire. Bigger wire allows more electricity to flow. Smaller wire would heat up and provide resistance to the electricity flow. Your doing a great job with these videos.
great series of technical videos
He dissapear into the light! Nice one Blue! 😄
i'm loving these videos. They are great and it is nice to see that my research has come up with the same ideas that are in use everyday with you guys. thank you
Always great videos Delos crew. Thank you so much for this very valuable information.
I'm always so impressed with your knowledge Brian. Thanks for sharing.
12V Utility sockets (cigar lighters) are handy and you get laptop power supplies which run off them. Used it to run my laptop of solar power.
48VDC is also close to non-touch safe in salty wet conditions.
Or you can easily hang an OC TENDER from the aft arch davits. Great vid guys, hope all is awesome!!!
I really enjoy your tech videos, I actually like the way your videos have transitioned from event to event..
Another great job!
Thanks for the electrical information...great job.
I love you guys, I don't think you can do any wrong with your posts, just give us more :)
Was having a conversation about this tech with my sr pilot at Atlantis submarines here on Maui and was thinking if it were possible to make our small tug boat completely electric. Love what you guys do and these types of topics.
Again, many thanks for this series. Essential stuff.
Number 3 BBWB! : - ) This part was just electrifying! But in no way shocking. Lots of good information.
Another great Tech vid! THanks!
These are really helpful in explaining things so anyone can understand them
This series is so good, Brian! You're my hero 😂
Even though I have a decent knowledge of electrical I am learning some good tidbits from these videos. Thanks for sharing! Keep em coming! Powaaaa!
You guys are so unbelievable, it is too bad that I've missed you when you've arrived in Florida. I've been out sailing
I like this series. There’s a fountain of information
Clear and concise explanations, well done!
Great video. Enjoy the info on solar and li batteries!
Another good one , thanks. Can you just explain a little more about the differences of 12v and 24v systems, and which is best for what and why. Is one easier to charge than the other. And on a 35ft offshore cruiser with 300W of solar is it worth running 2 systems.
You can add a remineralization cartridge on the output of the water maker to improve the taste.
Brian is very smart if or when Delos 2.0 comes around it will be one hell of a boat
Love it! Nice insight about running stuff on 12 vs 24
Several years ago major car makers were discussing going to 48vdc systems. They found out the hard way that switches and relays and other mechanical contacts arc and fail too easily at 48vdc, it proved unfeasible to use.
On top of the reason you mention they also ran into safety requirements. Most countries prescribe that any wire which contains a voltage above 42 V needs to be extra isolated (or double isolated). The reason for this requirement is that it is generally understood that any voltage above 42 V can be dangerous or fatal to humans.
since new MacBooks (and also windows laptops) use USB-C as well as recent phones, it might start to make sense to add usb-c plugs connected directly to your 12v system around the boat for more efficient charging I think
Brian I love this videos, you probably think there are boring and you right .hahaha but i learning a lot of think didn't have any idea and I LOVED Mate so interest I"m a cabinet maker and I believe Into god and other think but whist you I lerning a lot .Thank Mate Jose from Sydney Australia
THANK YOU FOR THE VIDEO. I'm really looking forward to them, real from cold Russia with love
Thank you so much for sharing your knowledge and wisdom with us.
Loving this series, thanks @SV Delos
brian is glowing !!!!
Funny thing is that I faced many of the same concerns when designing a solar system for my off grid camper van. The main thing I figured out is that you can't have too much solar input or too much battery storage, or for that matter, too much inverter. The only limitation is going to be available space and how much money it all costs.
This information is so very helpful.
Very useful series of videos. Ty
Don’t think poorly of soldering big lugs. As I recall, the only solder connections the ABYC allows are for lugs. The best way is to use solder slugs. These slugs come in various sizes matched to the wire size. Each has the right amount of solder with flux. Drop a slug in a lug and heat the lug with a torch. When the solder melts, push in the wire and in a few seconds it is a fixed solid connection better than a crimp. I have used slugs for 4AWG to 2/0 AWG wire with excellent results.
Can you do a video on the bulkheads and watertight doors. Whether you seal them up on ocean passages etc.
Also. Have you seen turtlepac float bags for added anti sink security. 14 of them would keep a completely flooded delos afloat
Excellent content
I think after listing to your information on your boat systems I think with the upgrade in the battery to Lithium to get more uses of them with a 6k or large inverter upgrade to Delos in the futures
The video is perfect im learning so much im installing a unit in my box truck for my handyman business. It is 14 feet long so there is plenty of room for panels on the roof but im not sure how many batteries to run im wondering if three would be enough for some lights and saws . The hard part is running my compressor for now im just using a 3500 watt generator but traded some work for a 10000 watt generator that had been sitting for a while.
@michael crowers check out this link for some educational videos on solar.
ruclips.net/p/PL7bvIB2TPsChaaGyPfBbk-txxXqe82PK5
ok, hope there is a book in the future that would be a great tool for sailing and helping greenhorns learn the right way to sail.
I may well be doing this in the future,.... this series is quite informative..
Great video!
Thanks enjoy watching these ❤️
Very informative!
Dig these videos, Brian.
On the right track.
Great content in this series. Both electric and mechanical.
Cool videos, Thanks! Out of passing interest, small cable crimpers that do a good job can be had... I don't think links are allowed here, but search Amazon for 'Battery Cable Lug Crimper - Hammer Crimping Tool with Storage Pouch' for a typical example... no affiliation. They can be struck with a hammer or squeezed in a (admittedly huge) vise. Should you get one, I suggest using a few ends & scrap of cable to practice with.
Maybe you could do a video on system failure. Say you have a 24 volt controller failure. What would you do? Is there a redundant backup??
I just love these. Keep them coming.
I really appreciate your thorough treatment of technical subjects, they are very helpful as I plan on rightsizing the electrical install on my boat. I have had a burning question for some time with regards to solar power on a typical 40 foot sailboat. Is it possible to install a solar system large enough to power AC (cooling) for hours at a time (like all night), or would you necessarily need to run a generator. Lets assume a smallish AC unit that is only going to cool the master bedroom in a 40 ft. catamaran. Also, what about cooling that entire 40 ft. catamaran for hours at a time on solar alone?
I do think with enough solar and battery capacity it is doable. You will of course need a soft start device like this battlebornbatteries.com/shop/easystart-364-3-ton-soft-starter/ to avoid the high start up current draw of the compressor....
@@svdelos Thanks for the reply :-)
Very informative thanx for the info
Very interesting topics and discussion. I am not so sure you could save any significant amount of energy if you'd run laptop from DC directly. Depends of course the efficiency of your inverter but generally they should be quite efficient. If it is say 98% efficient and DC-DC regulator about 95% you only end up saving roughly the 2% or less than 2W. It is of course something but perhaps not worth the hassle unless you have USB-C input for the laptop and sockets that can provide the 80Watts that the laptop takes.
Yes, my thoughts also. Plus we already have enough chargers and adapters roaming around....
Good stuff!
I like the multiple power source options and back up you have created. Does Emal’s new boats provide this type of multiple system? Or is all salt dog experience?
great video
Very good job & very interesting. Thank you